August 2013

Setting up an SSL certificate with CentOS and RedHat   1) First check whether openssl and mod_ssl is installed. If not installed, install it from repository. See below command from installation. #yum install mod_ssl openssl   Generate private key #openssl genrsa -out ssl.key 2048   …

Apache tomcat integration with mod_jk in linux   What is mod_jk?  Mod_jk is Apache-Tomcat plug-in that handle’s communication between Tomcat and Apache.    Installation and Configuration:  Download mod_jk source code.  #http://www.eng.lsu.edu/mirrors/apache//tomcat/tomcat-connectors/jk/tomcat-connectors-1.2.37-src.tar.gz   # tar -zxvf tomcat-connectors-1.2.37-src.tar.gz  # cd tomcat-connectors-1.2.37-src/native  # ./buildconf.sh  # ./configure –with=/usr/sbin/apxs  #make …

 Install JDK and Apache-Tomcat On CentOs and RedHat   JDK Installation:   First download JDK source code from below URL and upload it on the server. http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html   After that create directory # mkdir /usr/java Upload source under this directory:   Now set environment variable …

Install FFMPEG and FFMPEG-PHP On CentOs & RedHat   We can install ffmpeg with yum repository but before we have to create new repo with name dag.repo   Create new repository with name dag.repo #vi /etc/yum.repos.d/dag.repo Add DAG GPG key   Update yum # yum …

Installing PHP on CentOs and RedHat 1) Installing PHP with yum: #yum -y install php *  2) Check with below command php and and it’s extension’s are installed proeperly: Command:  #rpm -qa|grep php   3)  Test PHP with Apache: Default Document Root for Apache is …

In this post we will see what is multipathing & DM-Multipathing in Redhat Linux What is Multipath? Multipath allows servers to route I/O over multiple paths to a storage controller. A path refers to the connection from an HBA port to a storage controller port. …

Install Memcached on Centos and Redhat   Memcache: memcached is a flexible memory object caching daemon designed to alleviate database load in dynamic web applications by storing objects in memory. It’s based on libevent to scale to any size needed, and is specifically optimized to …

Password Protect a Web Directory in Apache In this blog we will see how do protect apache directories with password authentication. There are many ways we can protect directories with password. The reason behind protect directories with password is to keep private your data and …

Mysql Database Server Hardening Install SSL certificate to encrypt data across network:   Description: MySQL uses unencrypted connections between the client and the server. All data flowing between the remote client and the remote server must be encrypted as far as possible. Impact: Data Sent …

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